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Low Density of Compacted Specimens

“The density of my compacted specimens are low.  What might be the problem?” A Potential Solution Check the specimen diameter setting on your machine if you are using a Pine AFGC125X, AFG1, or an AFG2.    The AFGC125X can be set at 150 mm or 100 mm.  The AFG1 and the AFG2 allow for 150 mm,…

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My G2 is Making a Grinding Noise

“I’m hearing a grinding sound during compaction.  It seems to be coming from the ram foot / base plate area.  I have a Pine AFG2 gyratory compactor.  Any idea what might be causing that?” A Potential Cause A grinding noise during compaction coming from the ram foot area on an AFG2 indicates improper lubrication of…

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G2 Error Code

“I was compacting a specimen with our AFG2 when the machine just stopped.  Upon investigation, I discovered an error code on the display.  What do I do now?” An Explanation The Pine AFG125X, AFG1, and AFG2 Gyratory Compactors all have error diagnostics programmed into the control software that help identify the root cause when a…

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QR Codes – And Customer Service

Pine Test Equipment launches Quick Response (QR) Codes to enhance customer service. But first, a little history to satisfy your intellectual palate.  Starting out as barcodes, quick response (QR) codes were created out of necessity…to serve growing industries like manufacturing, distribution centers, and retail to name a few.  The barcode was developed in the 1950’s…

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Technical Bulletin –  20210118

Deformation Rate & Sprocket Arrangement Pine slowed the specimen deformation rate of the Pine AF850 Test Press by installing the same size sprockets on the motor and the jack to achieve a 1:1 ratio between the motor and the jack because it was found not to comply with the specimen deformation rate of 50 ±…

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Line Conditioner Recommended

Pine recommends using a line conditioner with all 120 volt variants of the AFG1 and AFG2 gyratory compactors.  These include AFG1A, AFG1AS, AFG2A, and AFG2AS. What is a Line Conditioner? A line conditioner is an electrical device that automatically responds to limited over- and under-voltages that would otherwise adversely affect operation of your machine.  Approximately…

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Welcome Tammy Mysliwiec

It is with great excitement that we announce and welcome Tammy Mysliwiec as a temporary  addition to the Pine Test Equipment Team.  Tammy joined our sister company, Pine Electronics, Inc., as a New-Business Development Manager in 2017.  In her role with Pine’s PCBA contract manufacturing entity, she focuses on customer retention and new customer development.  While maintaining…

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Clarification: Peak Stability & Flow

Technical Bulletin 20201026 Clarification of Peak Load and Flow Purpose:  The purpose of this technical bulletin is to clarify the Marshall Test results reported by the Pine 850 Marshall Test Press outfitted with a digital recorder.  This bulletin does not apply to a Test Press outfitted with a paper recorder. The Standard Applied: AASHTO T…

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Bent Brovold Lift Screw?

Did you bend the lift screw on your AFGB1?  Take heart.  You’re not alone. A Common Problem on AFGB1’s:  Bent Lift Screws The Pine AFGB1 is designed with a screw system to lift the gyratory head off the compaction chamber and rotate it out of the way.  Unfortunately, the lift screw that forms the cornerstone…

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